EP1973401B1 - Melange de solvants pour la preparation d'une formulation de concentre liquide diluable dans l'eau de composes pesticides organiques - Google Patents

Melange de solvants pour la preparation d'une formulation de concentre liquide diluable dans l'eau de composes pesticides organiques Download PDF

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EP1973401B1
EP1973401B1 EP07700250.9A EP07700250A EP1973401B1 EP 1973401 B1 EP1973401 B1 EP 1973401B1 EP 07700250 A EP07700250 A EP 07700250A EP 1973401 B1 EP1973401 B1 EP 1973401B1
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formulation
weight
water
surfactant
alkyl
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EP1973401A2 (fr
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Tom Byrne
Charles W. Finch
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BASF SE
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BASF SE
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents

Definitions

  • the present invention relates to water-dilutable liquid concentrate formulations, which comprise a solvent mixture SM and at least one non-ionic surfactant, wherein the solvent mixture SM is useful for preparing a water-dilutable liquid concentrate formulation of sparingly soluble organic pesticide compounds C having a water solubility of not more than 5 g/l at 25°C/1013 mbar.
  • Organic pesticide compounds hereinafter also referred to as active ingredients or actives, are usually applied in the form of a dilute aqueous preparation in order to achieve a good interaction with the target organisms, such as plants, fungi, nematodes and arthropod pests such as insects and acarids.
  • target organisms such as plants, fungi, nematodes and arthropod pests such as insects and acarids.
  • active ingredients that are used as pesticides are only sparingly or even insoluble in water, i.e. they usually have a water-solubility of not more than 5 g/l, often not more than 1 g/l and particularly not more than 0.1 g/l at 25°C/1013 mbar. Therefore, formulators are often confronted with difficulties in formulating pesticide compounds in stable formulations that can be easily diluted with water and that deliver maximum loading of the active ingredient per unit volume to the end user.
  • WDG's wettablye dispersible granule
  • WPD's wettable powders
  • SC's suspension concentrates
  • SEC's supsoemulsion concentrates
  • EW's emulsifyables
  • EW's emulsions
  • Suspension concentrates are liquid formulations, wherein the active ingredient is present in the form of finely divided solid particles, which are suspended in an aqueous dispersing medium utilizing surface-active compounds, such as wetting agents, dispersants and rheological or suspending aids for stabilising the active ingredient particles in the dispersing medium.
  • surface-active compounds such as wetting agents, dispersants and rheological or suspending aids for stabilising the active ingredient particles in the dispersing medium.
  • SC's the particles of the active ingredient usually have particle sizes in the range of 1 to 20 ⁇ m. Even smaller particle sizes, i.e. ⁇ 1 ⁇ m, e.g. 0.5 to ⁇ 1 ⁇ m, can be obtained by elaborate grinding techniques.
  • Suspoemulsion concentrates are similar to suspension concentrates, however they additionally contain solution of the active in a water-immiscible solvent, the solution being present in the form of small droplets which are emulsified in the aqueos phase. Due to the presence of three phases, SEC's are often instable. Moreover, the containe noticeable amounts of water-immiscible organic solvents, which are not entirely satisfactory with regard to their ecological and toxicological properties
  • the active ingredient is dissolved in a water-immiscible solvent (solubility usually ⁇ 0:1 g/l), frequently in hydrocarbon solvents including aromatic hydrocarbons, together with surfactants.
  • a water-immiscible solvent solubility usually ⁇ 0:1 g/l
  • hydrocarbon solvents including aromatic hydrocarbons
  • surfactants e.g., sodium bicarbonate, sodium bicarbonate, sodium bicarbon solvent, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate
  • a liquid pesticide is emulsified in water by means of surfactant.
  • surfactant Upon dilution with water the EW's overcome some of the drawbacks associated with EC's, since they contain no solvents, or only small amounts. On the other hand, they are limited to liquid active ingredients which must also be stable to hydrolysis.
  • microemulsions and microdispersions of pesticide compounds have been described.
  • the active ingredient is dispersed in the aqueous phase in the form of particles or droplets having a particle size in the submicron scale, frequently an average particle size of 200 nm or below.
  • Microemulsions are generally achieved by means of a suitable combination of surfactant and co-surfactant, the latter usually comprising a water miscible solvent such as an alcohol, an alkyl pyrrolidone or a lactone such as ⁇ -butyrolactone, optionally in combination with water-immiscible solvents.
  • Microemulsions as well as microdispersions are generally obtained by diluting a solution of the active ingredient, dissolved in a mixture of surfactant and co-surfactant.
  • dilution stability of such concentrate formulations is often insufficient, i.e. the sparingly water-soluble active ingredient tends to segregate upon or after dilution with water, in particular, when the formulation is highly loaded with the active ingredient.
  • WO 88/09122 describes microemulsions of (thio)phosphoric ester insecticides comprising a non-ionic surfactant and a co-surfactant selected from alcohols, ketones and esters of aliphatic acids.
  • WO 99/65301 describes a microdispersion consisting essentially of a dispersed phase of the active ingredient having a particle size below 500 nm, a surfactant and a cosurfactant, such as polyhydric alcohols, lactames, lactones and the like.
  • JP 2000 143410 discloses a composition comprising a halocyanoacetamide, 3,3,4,4-tetrachlorotetrahydrothiophene 1,1-dioxide, an alkylene glycol and propylene carbonate.
  • the composition is reported to be useful for antimicrobial applications.
  • JP 2005 154344 discloses liquid agrochemical formulations containing propylene carbonate, water, glycols and/or glycol ethers, and in addition the active ingredient kasugamycin which is highly soluble in water.
  • WO 01/26461 discloses liquid formulations of insecticidal compounds of low water-solubility. Besides the insecticide the formulations also comprise propylene carbonate and/or ethylene carbonate, and an emulsifier.
  • EP 0 189 588 discloses a herbicidal mixture comprising tebutam as herbicidal agent, wherein the solvent used to prepare the mixture mainly consists of propylene carbonate.
  • WO 02/17722 discloses water-emulsifiable compositions of the insecticides diazinon, malathion or endosulfan that comprise an organic carbonate such as propylene carbonate as solvent.
  • WO 02/45507 describes a microemulsifiable concentrate formulation of a hydrophobic pesticide compound, wherein the active ingredient and at least one surfactant are dissolved in a solvent system comprising hydrophobic, water insoluble alkylalkanoates as a first solvent and polyhydric alcohols or condensates of polyhydric alcohols as a second solvent.
  • the formulations are reported to exhibit reduced eye irritation.
  • WO 2006/002984 discloses liquid pesticide concentrate formulations of water-insoluble pesticide compounds having both improved storage and dilution stability.
  • the formulations comprise at least one pesticide compound, at least one organic solvent having a water solubility of at least 10 g/l and at least one non-ionic blockcopolymer comprising at least one polyethylene oxide moiety and at least one hydrophobic polyether moiety. The problem of eye irritation is not addressed therein.
  • solvent mixtures SM are suitable for preparing water-dilutable liquid concentrate formulations of sparingly water-soluble or even water-insoluble organic pesticide compounds C and in particular for reducing the risk of eye irritation caused by liquid pesticide formulations of such pesticide compounds.
  • the solvent mixture SM allows the preparation of water-dilutable liquid concentrate formulations of sparingly soluble or insoluble pesticide compounds, the formulations showing high dilution stability, even at high loads with pesticide compounds. Moreover both the concentrated formulations and the diluted preparations are storage stable, i.e. a noticeable segregation of active materials does not occur.
  • the present invention also relates to water-dilutable liquid concentrate formulations of an organic pesticide compound C having a water solubility of not more than 5 g/l at 25°C/1013 mbar, which comprises
  • the formulations of the present invention are virtually homogeneous mixtures, i.e. no particles can be observed.
  • the formulations of the invention are stable against formation of solids upon storage and can be easily diluted with water without the formation of coarse material, even when they are highly loaded with the pesticide compund C.
  • chemical degradation of some active ingredients having chemically labile groups such as hydrazones, semicarbazones, urethanes, sulfonyl ureas, amidosulfonylamides, oxime ethers, phosphonic esters, phosphate esters, and the like is decreased in comparison with other solvent based concentrate formulations.
  • the formulations of the present invention form a bluish or even clear emulsion or dispersion, indicating that the droplets/solids dispersed therein are of very small size, i.e the average particle diameters do not exceed 500 nm. Preferably they do not exceed 300 nm, in particular they do not exceed 200 nm.
  • the average particle diameters as referred herein, are weight average particle diameters which can be determined by dynamic light scattering. A skilled person is familiar with these methods which are e.g. described in H. Wiese (D. Distler, Ed.), Aqueous Polymer Dispersions (Wässrige Polymerdispersionen), Wiley-VCH 1999, Chapter 4.2.1, p.
  • the aqueous preparations that are obtained by diluting the liquid pesticide formulation of the invention with water, have enhanced physical stability, i.e. the formation of solids during dilution and after 24 h or 48 h after dilution is not observed. In particular, noticeable segregation of solids is not observed even after 7 d or 14 d at room temperature. Moreover chemical degradation in the diluted preparations of labile active ingredients such as sulfonyl ureas, hydrazones and the like, e.g. by hydrolysis, is decreased. Surprisingly, the liquid formulations result in an improved biological performance of the active ingredients:
  • Suitable C 2 -C 4 -alkylene glycoles of the solvent mixture SM include glycol (1,2-ethandiol or ethyleneglycol), propandiol (propyleneglycol), including 1,2-propandiol, 1,3-propandiol and mixtures thereof, and 1,4-butandiol with preference given to propandiol.
  • Suitable C 2 -C 4 -alkylene carbonates of the solvent mixture SM include ethylene carbonate (2-oxa-1,3-dioxolan) and propylene carbonate (2-oxa-1,3-dioxan) with preference given to the latter.
  • the C 2 -C 4 -alkylene glycol is propandiol and the C 2 -C 4 -alkylene carbonate is propylene carbonate.
  • the weight ratio of C 2 -C 4 -alkylene glycol to C 2 -C 4 -alkylene carbonate may vary from 10:1 1 to 1:10, preferably from from 8:1 to 1:2, in particular from 6:1 to 1:1 and more preferably from 5:1 to 2:1.
  • the total amount of C 2 -C 4 -alkylene glycol and C 2 -C 4 -alkylene carbonate makes up at least 90% by weight, in particular at least 95% by weight of the total weight of the solvent mixture SM.
  • the solvent mixture SM may contain small amounts, i.e. 10% by weight or less, preferably not more than 5% weight, based on the total weight of the formulation, of other liquid constituents, such as water or organic solvents, different from C 2 -C 4 -alkylene glycols and C 2 -C 4 -alkylene carbonates.
  • the amount of other organic solvents does not exceed 5% by weight, more preferably 1 % by weight, based on the total weight of the solvent mixture.
  • the amount of water preferably does not exceed 10% by weight, in particular 5% by weight, and frequently ranges from 0.01 to 10% by weight, in particular from 0.1 to 5% by weight, based on the total weight of the solvent mixture.
  • organic solvent different from C 2 -C 4 -alkylene glycols and C 2 -C 4 -alkylene carbonates
  • organic solvent refers to low molecular weight organic substances having a molecular weight preferably of not more than 300 Dalton, in particular of not more than 200 Dalton and includes C 1 -C 8 alkanols and C 5 -C 8 cycloalkanols, polyhydric alcohols other than C 2 -C 4 -alkylene glycol, C 2 -C 4 -alkylene glycol monomethyl ethers, cyclic ethers, di- and tri-C 2 -C 4 -alkylene glycols and their monomethyl, monoethyl- and dimethyl ethers, ketones having from 3 to 8 C-atoms lactones having from 3 to 8 C-atoms, carbonates other than C 2 -C 4 -alkylene carbonates, organic acids having from 1 to 3 carbon atoms, amides, n-C 1
  • the formulations of the present invention contain the solvent mixture SM usually in amounts from 10 to 80% by weight, preferably from 20 to 70% by weight and in particular from 30 to 60% by weight.
  • the total amount of solvent mixture SM + water preferably ranges from 20 to 70% by weight and in particular 30 to 60% by weight.
  • the relative amount of water and solvent mixture W:SM in the formulation preferably does not exceed 1:3, in particular 1:4 more preferably 1:5, in particular 1:10.
  • the total amount of water in the formulations of the present invention usually does not exceed 10% by weight in particular 5% by weight, and is often less or equal to 2% by weight, based on the total weight of the formulation.
  • the formulations of the invention also comprise at least one organic pesticide compound C which is sparingly soluble or insoluble in water.
  • the solubility is below 0.5 g/I and in particular below 0.1 g/l at 25°C and 1013 mbar.
  • the concentration of the pesticide compound in the formulation will be generally at least 1% by weight, and is frequently at least 5% by weight, preferably at least 10% by weight, in particular at least 15% by weight, based on the total weight of the formulation.
  • the formulation can be loaded with active ingredients in amounts up to 70% by weight, preferably up to 60% by weight, in particular up to 50% by weight, more preferably up to 40% by weight, based on the total weight of the formulation.
  • the concentration of the pesticide compound in the formulation will frequently be from 1 to 60% by weight, preferably from 5 to 50% by weight, in particular from 10 to 40% by weight or 15 to 40% by weight, based on the total weight of the formulation.
  • the pesticide compound C can be selected from each group of active ingredients which are used to protect plants/crops from attack or infestation by harmful organisms, i.e. the pesticide compound can be selected from acaricides, antifeedants, avicides, algicides, bactericides, bird repellents, chemosterilants, fungicides, herbicides, herbicide safeners, insect attractants, insect repellents, insecticides, mammal repellents, mating disrupters, molluscicides, nematicides, plant activators, plant growth regulators, rhodenticides, synergists, virucides and other compounds with exert an action on the plants to be protected and/or against the harmful organism.
  • the pesticide compound can be selected from acaricides, antifeedants, avicides, algicides, bactericides, bird repellents, chemosterilants, fungicides, herbicides, herbicide safeners, insect attractants, insect repellent
  • the at least one pesticide compound C has a solubility in the solvent mixture SM, or in the mixture of the solvent mixture SM and the surfactant S, respectively, of at least 10 g/l, in particular at least 20 g/I and more preferably at least 50 g/l (at 25°C and 1 bar).
  • Prefered pesticide compounds C have a defined molecular structure, i.e. they can be described by one structural formula, including diastereomers, diastereomeric mixtures, entantiomers, enantiomeric mixtures or tautomers or mixtures of tautomers.
  • the molecular weight of preferred compounds C will usually range from 100 to 600 dalton.
  • Suitable pesticide compounds C which act as fungicides are for example:
  • pesticide compounds C which act as herbicides or herbicide safeners comprise
  • pesticide compounds C which are useful as insecticides, acaricides, nematicides and/or miticides comprise:
  • plant growth regulators comprise gibberellines and oximes, such as ⁇ [(isopropylidene)amino]oxy ⁇ acetic acid-2-methoxy-2-oxoethyl ester, and also defoliants, such as thidiazuron, growth inhibitors, such as butralin, flumetralin, fluoridamid, prohydrojasmon, growth retardants, such as paclobutrazol, uniconazole, growth stimulators, such as brassinolide, forchlorfenuron and the like.
  • gibberellines and oximes such as ⁇ [(isopropylidene)amino]oxy ⁇ acetic acid-2-methoxy-2-oxoethyl ester
  • defoliants such as thidiazuron
  • growth inhibitors such as butralin, flumetralin, fluoridamid, prohydrojasmon
  • growth retardants such as paclobutrazol, uniconazole
  • growth stimulators such as brassinolide
  • the pesticide compound C comprises at least one compound, which is active against arthropod pests such as insects and acarids (hereinafter also referred to as insecticide compound).
  • a particularly preferred embodiment relates to pesticide formulations which comprise a pesticide compound C which is selected from compounds of formula I, in particular compounds of the formula I, wherein X and Y are chlorine, Z is trifluoromethyl, R 1 is methyl or ethyl, R 2 and R 3 are methyl, or R 2 and R 3 together with the adjacent carbon atom are 2,2-dichlorocyclopropyl or 2,2-dibromocyclopropyl and R 4 is hydrogen, methyl or ethyl.
  • a pesticide compound C which is selected from compounds of formula I, in particular compounds of the formula I, wherein X and Y are chlorine, Z is trifluoromethyl, R 1 is methyl or ethyl, R 2 and R 3 are methyl, or R 2 and R 3 together with the adjacent carbon atom are 2,2-dichlorocyclopropyl or 2,2-dibromocyclopropyl and R 4 is hydrogen, methyl or ethyl.
  • a further particularly preferred embodiment relates to pesticide formulations which comprises a compound of the formula II as defined above, in particular metaflumizone (compound of the formula II wherein R 11 is 3-CF 3 and R 12 is 4-CN and R 13 is 4-OCF 3 ).
  • the pesticide compound C comprises at least one fungicide compound, in particular a fungicide compound which is selected from strobilurines, such as azoxystrobin, dimoxystrobin, fluoxastrobin, kresoxim-methyl, metominostrobin, orysastrobin, picoxystrobin, pyraclostrobin or trifloxystrobin, azol fungicides, in particular conazoles such as epoxyconazole, tebuconazole, triticonazole, fluquinconazole, flutriafol, metconazole, myclobutanil, cycproconazole, prothioconazole and propiconazole, boscalid, dichlorophenyl dicarboximides such as vinclozoline and 6-aryl-[1,2,4]triazolo[1,5-a]pyrimidines, e.g. those disclosed in WO 98/46608 , WO 99
  • the formulations according to the present invention contain at least one surfactant which comprise at least one non-ionic blockcopolymer P as defined herein.
  • surfactant as used herein is well known in the art and includes any organic substance which is capable of reducing the surface tension of a phase boundary between an organic phase and an aqeuos phase. Suitable surfactants include non-polymeric surfactants and polymeric surfactants.
  • non-polymeric surfactant relates to surface active compounds having an molecular weight below 1000 Dalton, in particular below 800 Dalton (number average), while the term “polymeric surfactant” relates to surface active substances having an molecular weight exceeding 1000 Dalton (number average).
  • the surfactant usually make up from 5 to 90% by weight, frequently from 10 to 80% by weight, preferably from 15 to 50% by weight and in particular from 20 to 50% by weight, based on the total weight of the formulation according to the invention.
  • the weight ratio of surfactant S to pesticide compound C is frequently from 0.6:1 to 10:1, preferably from 0.8:1 to 5:1 more preferably from 0.9:1 to 4:1, and in particular from 1:1 to 3:1.
  • the surfactants may be non-ionic, anionic, cationic or amphoteric. Suitable surfactants that may be contained in the liquid formulations of the invention are disclosed, e.g. in " McCutcheon's Detergents and Emulsifiers Annual", MC Publishing Corp., Ridgewood, NJ, USA 1981 ; H. Stache, “Tensid-Taschenbuch", 2nd ed., C. Hanser, Kunststoffer, Kunststoff, Vienna, 1981 ; M. and J. Ash, "Encyclopedia of Surfactants", vol. I-III, Chemical Publishing Co.; New York, NY, USA 1980-1981 .
  • non-polymeric surfactants comprise
  • alkyl as used herein and if not defined otherwise is a linear or branched alkyl group having from 4 to 30, preferably from 6 to 22 carbon atoms, e.g. n-hexyl, 1-methylpentyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n-decyl, 1-methylnonyl, 2-propylheptyl, n-dodecyl, 1-methyldodecyl, n-tridecyl, n-tetradecyl, n-pentadecyl, n-hexadecyl, n-heptadecyl, n-octadecyl, n-nonadecyl, n-eicosyl, and the like.
  • fatty acid refers to alkanoic acids, alkanols, alkylamines or alkanoic amides having from 6 to 30, in particular from 8 to 22 carbon atoms and wherein the saturated alkyl radical may be linear or branched.
  • the degree of alkoxylation or ethoxylation (number average of alkylene oxide or ethyleneoxide repeating units) will usually be in the range from 1 to 50 and in particular from 2 to 40 more preferably from 2 to 30.
  • polymeric surfactants examples include but are not limited to, but are not limited to,
  • the surfactant S or the mixture of surfactants S which is contained in the formulation of the present invention, has a HLB-value ranging from 5 to 20 and in particular from 7 to 18, more preferably from 9 to 16.
  • the HLB value hydrophilic lipophilic balance
  • the HLB value is an empirical quantity, which measures of the polarity of a surfactant or mixture of surfactants (see P. Becher et al, Non-ionic surfactants, Physical Chemistry, Marcel Dekker, N.Y. (1987), pp. 439-456 ).
  • the at least one surfactant S is at least one non-ionic blockcopolymer P as defined herein, a mixture of at least one non-ionic blockcopolymer P with one or more other non-ionic surfactants or a mixture of at least one non-ionic blockcopolymer P and at least one ionic surfactant, in particular at least one anionic surfactant.
  • the surfactant comprises at least 90 % by weight, in particular at least 95% by weight, more preferably at least 99% by weight, based on the total amount of surfactant in the formulation, of at least one non-ionic blockcopolymer P, and not more than 10%, by weight, in particular not more than 5% by weight, more preferably not more than 1 % by weight, based on the total amount of surfactant in the formulation, of ionic surfactant.
  • Non-ionic surfactants other than non-ionic blockcopolymers P are preferably selected from ethoxylated alkanols, sorbitan esters of fatty acids, polyoxyethylene sorbitan esters of fatty acids, alkyl glucosides , alkyl polyglucosides, polyoxyethylene alkyl glucosides, ethoxylated fatty amines, ethoxylated fatty acids and ethoxylated esters of fatty acids with glycerine.
  • the at least one surfactant S of the formulations according to the invention comprises at least one non-ionic blockcopolymer P, comprising at least one polyethyleneoxide moiety PEO and at least one polyether moiety PAO consisting of repeating units derived from C 3 -C 10 -alkyleneoxides and/or styrene oxide.
  • the surfactant comprises at least 50% by weight, in particular at least 80% by weight, by weight, based on the total amount of surfactant in the formulation, of at least one non-ionic blockcopolymer P, as defined herein.
  • the amount of ionic surfactants will not exceed 10%, by weight, and will be in particular not more than 5% by weight, more preferably not more than 1 % by weight, based on the total amount of surfactant in the formulation.
  • the non-ionic portion of the surfactant S can be a mixture of at least one non-ionic blockcopolymer P and at least one non-ionic, non-polymeric surfactant.
  • the relative weight (weight ratio) of non-ionic blockcopolymer P and non-ionic non-polymeric surfactant will be generally at least 1:1 and may range from 1:1 to 19:1, in particular from 4:1 to 9:1.
  • the non-ionic blockcopolymer makes up at least 90% by weight, in particular at least 95% by weight and more preferably at least 99% by weight of the total amount of surfactant S contained in the formulation.
  • the non-ionic blockcopolymers P usually make up from 10 to 80% by weight, preferably 15 to 50% by weight and in particular 20 to 50% by weight of the formulatione according to the invention.
  • the weight ratio of non-ionic blockcopolymer P to pesticide compound C is preferably from 0.8:1 to 5:1 more preferably from 0.9:1 to 4:1, and in particular from 1:1 to 3:1.
  • the PAO moiety in the non-ionic blockcopolymer P usually comprises at least 3, preferably at least 5, in particular 10 to 100 repeating units (number average) which are derived from C 3 -C 10 alkyleneoxides, such as propyleneoxide, 1,2-butyleneoxide, cis- or trans-2,3-butyleneoxide or isobutyleneoxide, 1,2-pentenoxide, 1,2-hexene oxide, 1,2-decene oxide or styrene oxide.
  • C 3 -C 10 alkyleneoxides such as propyleneoxide, 1,2-butyleneoxide, cis- or trans-2,3-butyleneoxide or isobutyleneoxide, 1,2-pentenoxide, 1,2-hexene oxide, 1,2-decene oxide or styrene oxide.
  • the PAO moieties can be described by the general formula (-O-CHR x -CHR y ) q , wherein q is the number of repeating units in the PAO moiety, R x and R y are independently selected from C 1 -C 8 alkyl and hydrogen, provided that at least one of the radicals R x , R y is different from hydrogen and the total number of carbon atoms of R x and R y in one repeating unit is from 1 to 8.
  • One of the radicals R x or R y may also be a phenyl radical while the other is hydrogen.
  • the repeating units in the PAO moiety are derived from C 3 -C 4 alkyleneoxides, in particular from proplyene oxide.
  • the PAO moieties comprise at least 50% by weight and more preferably at least 80% by weight of repeating units derived from propyleneoxide. If the PAO moiety comprises different repeating units, these different repeating units may be arranged statistically or preferably blockwise.
  • the PEO moieties of the non-ionic blockcopolymer P usually comprise at least 3, preferably at least 5, and more preferably at least 10 repeating units derived from ethyleneoxide (number average).
  • the PEO moiety can be described by the General formula (CH 2 -CH 2 -O) p , wherein p is the number of repeating units within the PEO moiety.
  • the total number of ethyleneoxide repeating units in the PEO moiety or moieties and repeating units in the PAO moiety or moieties will usually be in the range from 20 to 2,000, preferably 40 to 1,000 and in particular 65 to 450 (number average).
  • the non-ionic blockcopolymers P those are preferred which have a number average molecular weight M N ranging from 1,200 to 100,000 Dalton, preferably from 2,000 to 60,000 Dalton, more preferably from 2,500 to 50,000 Dalton and in particular from 3,000 to 20,000 Dalton.
  • the weight ratio of PEO moieties and PAO moieties (PEO:PAO) in the non-ionic blockcopolymer usually ranges from 1:10 to 10:1, preferably from 1:10 to 2:1, more preferably from 2:8 to 7:3 and in particular from 3:7 to 6:4.
  • the PEO moieties and the PAO moieties make up at least 80% by weight and preferably at least 90% by weight, e.g. 90 to 99.5% by weight of the non-ionic blockcopolymer P.
  • blockcopolymers P those are preferred which have a HLB-value ranging from 5 to 20 and in particular from 7 to 18.
  • Preferred blockcopolymers for use in the formulations of the invention can be described by the following formulae P1 to P5: R 1 -PEO-O-PAO-R 2 P1 R 1 -PAO-O-PEO-H P2 R 3 -PEO-PAO-NR-PAO'-PEO'-R 4 P3 R 3 -PEO-PAO-(O-A) n -G-PAO'-PEO'-R 4 P4 R 3 -PEO-PAO-NR a -A'-NR b -PAO'-PEO'-R 4 P5 wherein n is 0 or 1,
  • radicals R 1 , R 2 , R 3 and R 4 in formulae P1 to P5 are linked to the PEO or PAO moiety via an oxygen atom.
  • R 1 and R 2 in formulae P1 and P2 are preferably C 1 -C 20 alkyl and in particular C 1 -C 8 alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, 2-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-decyl, isodecyl, 3-propylhexyl and the like.
  • R 2 in formula P1 is preferably hydrogen.
  • R 3 and R 4 in formulae P3, P4 and P5 are preferably hydrogen.
  • R in formula P3 is preferably C 1 -C 20 alkyl, in particular C 4 -C 20 alkyl.
  • Suitable radicals A and A' in formulae P4 and P5 may be aliphatic or cycloaliphatic radicals or aromatic radicals or mixed aromatic/aliphatic or mixed aliphatic/cycloaliphatic radicals.
  • Examples for aliphatic radicals A and A' are C 2 -C 20 alkandiyl, wherein 1, 2, 3 or 4 CH 2 -moieties may be replaced by oxygen or sulfur, e.g.
  • ethane-1,2-diyl propane-1,3-diyl, butane-1 ,4-diyl, hexane-1,4-diyl, 3-oxapentane-1,5-diyl, 3-oxahexane-1,6-diyl, 4-oxaheptahe-1,7-diyl, 3,6-dioxaoctane-1,8-diyl, 3,7-dioxanonane-1,9-diyl and 3,6,9-trioxaundecan-1,11-diyl.
  • cycloaliphatic radicals A, A' comprise C 5 -C 8 -cycloalkane-diyl and C 7 -C 12 bicycloalkanediyl, which may carry 1, 2, 3 or 4 C 1 -C 4 -alkyl groups, e.g. methyl groups, such as cyclohexane-1,2-, -1,3-, and -1,4-diyl.
  • Aromatic radicals A, A' are for example 1,2-phenylene, 1,3-phenylene, 1,4-phenylene.
  • Mixed aliphatic/aromatic radicals A, A' are those which comprise one or more alkanediyl units and at least one aromatic unit such as a phenyl ring.
  • Examples for mixed aliphatic/aromatic radicals A, A' comprise diphenylmethane-4,4'-diyl, 4,4'-[2,2-bis(phenyl)propane]diyl and the like.
  • Mixed aliphatic/cycloaliphatic radicals A, A' are those which comprise one or more alkanediyl units and at least one cycloaliphatic unit such as a cyclohexane ring.
  • Examples for mixed aliphatic/cycloaliphatic radicals A, A' comprise methylcyclohexane-1,7-diyl, 4,4'-[bis(cyclohexyl)methane]diyl, 4,4'-[2,2-bis(cyclohexyl)propane]diyl and the like.
  • Preferred radicals A, A' are selected from C 2 -C 20 alkandiyl, wherein 1,2, 3 or 4 CH 2 -moieties may be replaced by oxygen.
  • non-ionic blockcopolymers of formulae P1 to P5 those of formulae P2 and P4 are especially preferred.
  • the liquid pesticide formulation comprises at least 2, e.g. 2, 3 or 4 different types of non-ionic blockcopolymers P.
  • Different types means that the blockcopolymers are distinct with regard to at least one of the following features: molecular weight, weight ratio of PEO to PAO, the HLB-value or the molecular architecture.
  • at least one and more preferably two or all of the blockcopolymers combines at least two or all of the preferred features.
  • the blockcopolymer P that combines at least two or all of the preferred features makes up at least 20% by weight, preferably at least 30% by weight, e.g. 20 to 90% by weight, in particular 30 to 80% by weight of the total amount of blockcopolymer P in the formulation.
  • Non-ionic blockcopolymers P are known in the art and commercially available under the trade names Pluronic®, such as Pluronic® P 65, P84, P 103, P 105, P 123 and Pluronic® L 31, L 43, L 62, L 62 LF, L 64, L 81, L 92 and L 121, Pluraflo® such as Pluraflo® L 860, L1030 and L 1060Tetronic®, such as Tetronic® 704, 709, 1104, 1304, 702, 1102, 1302, 701, 901, 1101, 1301 (BASF Aktiengesellschaft), Agrilan® AEC 167 and Agrilan® AEC 178 (Akcros Chemicals), Antarox® B/848 (Rhodia), Berol® 370 and Berol® 374 (Akzo Nobel Surface Chemistry), Dowfax® 50 C15, 63 N10, 63 N30, 64 N40 and 81 N10 (DowEurope), Genapol® PF (Clariant), Monolan®,
  • the formulation of the invention may further contain customary auxiliaries, such as defoamers, thickeners, preservatives; colorants, stabilizers, adjuvants, wetting agents, penetrants, coupling agents and the like which are usually employed in non-aqueous formulations of pesticides.
  • auxiliaries such as defoamers, thickeners, preservatives; colorants, stabilizers, adjuvants, wetting agents, penetrants, coupling agents and the like which are usually employed in non-aqueous formulations of pesticides.
  • auxiliaries such as defoamers, thickeners, preservatives; colorants, stabilizers, adjuvants, wetting agents, penetrants, coupling agents and the like which are usually employed in non-aqueous formulations of pesticides.
  • surfactants and solvents may also work as auxiliaries.
  • solvents may work as antifreeze agents or penetrants and the aforementioned surfactants may work as adjuvants
  • Suitable thickening agents include inorganic thickening agents, such as clays, hydrated magnesium silicates and organic thickening agents, such as polysaccharide gums, like xanthan gum, guar gum, gum arabic and cellulose derivatives.
  • Organic thickening agents are employed in amounts of from 0.5 to 30 g/l and preferably from 1 to 10 g/l while inorganic thickening agents are employed in amounts of from 0.5 to 30 g/l and preferably from 1 to 10 g/l.
  • Suitable preservatives to prevent microbial spoiling of the formulations of the invention include formaldehyde, alkyl esters of p-hydroxybenzoic acid, sodium benzoate, 2-bromo-2-nitropropane-1,3-diol, o-phenylphenol, thiazolinones, such as benzisothiazolinone, 5-chloro-2-methyl-4-isothiazolinone, pentachlorophenol, 2,4-dichlorobenzyl alcohol and mixtures thereof.
  • the amount of preservatives will be from 0.1 to 10 g/l.
  • Suitable defoamers include polysiloxanes, such as polydimethyl siloxane. Defoamers are usually employed in amounts of from 0.1 to 5 g/l:
  • auxiliaries may be contained within the formulation of the present invention. However, it is also possible to add these auxiliaries after dilution with water to the ready-to-use aqueous formulation.
  • the liquid formulations of the invention form an aqueous pesticide preparation which contains the at least one organic pesticide compound C, the at least one organic solvent S, the at least one surfactant S and water.
  • the at least one organic pesticide compound is present in the form of finely divided particles having a particle size in the nm range, i.e. the average particle size as determined by dynamic light scattering (at 25°C and 1,013 mbar) is below 500 nm, preferably in the range from 100 to 300 nm, in particular in the range from 10 to 200 nm and most preferably in the range from 10 to 100 nm.
  • the liquid formulations of the invention are usually diluted with at least 5 parts of water, preferably at least 10 parts of water, in particular at least 20 parts of water and more preferably at least 50 parts of water, e.g. from 10 to 10,000, in particular from 20 to 1,000 and more preferably from 50 to 250 parts of water per one part of the liquid formulation (all parts are given in parts by weight).
  • Dilution will be usually achieved by pouring the concentrate formulation of the invention into water. Usually, dilution is achieved with agitation, e.g. with stirring, to ensure a rapid mixing of the concentrate in water. However, agitation is not necessary. Though the temperature of mixing is not critical, mixing is usually performed at temperatures ranging from 0 to 100°C, in particular from 10 to 50°C or at ambient temperature.
  • the water used for mixing is usually tap water. However the water may already contain water soluble compounds which are used in plant protection, e.g. nutrificants, fertilizers or water soluble pesticides.
  • the aqueous pesticide preparations obtained by dilution can be used as such for plant protection, i.e. for combating organisms that are harmful to plants or for protecting crops from attack or infestation by such an harmful organism. Therefore, the present invention also relates to an aqueous pesticide preparation which is obtained by diluting the liquid concentrate formulation of the present invention.
  • the present invention also relates to the use of the liquid pesticide formulations of the invention for plant protection and in particular to a method of combating organisms that are harmful to plants such as weeds, fungi, insects, arachnids or nematodes, which comprises contacting said harmful organisms, their habit, breeding ground, food supply, plant, seed, soil, area, material or environment in which the harmful organisms are growing or may grow, or the materials, plants, seeds, soils, surfaces or spaces to be protected from attack or infestation by harmful organisms with an effective amount of an diluted aqueous formulation as described herein.
  • a method of combating organisms that are harmful to plants such as weeds, fungi, insects, arachnids or nematodes, which comprises contacting said harmful organisms, their habit, breeding ground, food supply, plant, seed, soil, area, material or environment in which the harmful organisms are growing or may grow, or the materials, plants, seeds, soils, surfaces or spaces to be protected from attack or infestation by harmful
  • the invention also relates to a method for protecting crops from attack or infestation by harmful organisms such as weeds, fungi, insects, arachnids or nematodes, which comprises contacting a crop with an effective amount of an aqueous preparation as described herein.
  • formulations contain a fungicide compound they may be applied against the following harmful fungi:
  • formulations contain a compound, having insecticidal, acaricidal or nematicidal activity they may be applied against the following pest:
  • formulations according to the invention contain a herbicide compound it will be used to controll undesired vegetation.
  • the control of undesired vegetation is understood as meaning the destruction of weeds. Weeds, in the broadest sense, are understood as meaning all those plants which grow in locations where they are undesired, for example:
  • the formulations containing a herbicide can be applied in conventional manner, usually as an aqueous preparation which is obtainde from a formulation of the invention by diluting with water.
  • the required application rate of the pure active compounds without formulation auxiliary depends on the density of the undesired vegetation, on the development stage of the plants, on the climatic conditions of the location where the formulation is used and on the application method.
  • the application rate is from 0.001 to 3 kg/ha, preferably from 0.005 to 2 kg/ha and in particular from 0.01 to 1 kg/ha, from 0.1 g/ha to 1 kg/ha, from 1 g/ha to 500 g/ha or from 5 g/ha to 500 g/ha of active substance.
  • the diluted preparations are applied to the plants mainly by spraying, in particular foliar spraying.
  • Application can be carried out by customary spraying techniques using, for example, water as carrier and spray liquor rates of from about 100 to 1 000 l/ha (for example from 300 to 400 l/ha).
  • Application of the preparations by the low-volume and the ultra-low-volume method is possible, as is their application in the form of microgranules.
  • formulation of active ingredients are applied in a rate which provides control of weeds or crops, in particular post-emergence to the weed or crop, but preferably prior to the planting, seeding or emergence of a desired crop.
  • control of weeds or crops is provided by an application of the formulation of active ingredients before a desired crop is seeded, planted or emerged (pre-emergence or pre-plant application), followed by one or more treatments after the crop is emerged with one or more herbicides which are selective in the crop.
  • formulations according to the invention may be useful to apply the formulations according to the invention jointly as a mixture with other crop protection products, for example with pesticides or agents for controlling phytopathogenic fungi or bacteria.
  • pesticides or agents for controlling phytopathogenic fungi or bacteria are also of interest.
  • mineral salt solutions which are employed for treating nutritional and trace element deficiencies.
  • Non-phytotoxic oils and oil concentrates may also be added.
  • the formulations contain a compound, in particular an insecticide compound which is active against non-crop pests. Therefore the invention also relates to a method for controlling non-crop pests comprising contacting the pests or their food supply, habitat, breeding grounds or their locus with formulation according to the invention comprising at least an insecticide.
  • the invention further relates to the use of a formulation according to the invention comprising at least an insecticide for the protection of non-living organic materials against non-crop pests.
  • Non-crop pests are pests of the classes Chilopoda and Diplopoda and of the orders Isoptera, Diptera, Blattaria (Blattodea), Dermaptera, Hemiptera, Hymenoptera, Orthoptera, Siphonaptera, Thysanura, Phthiraptera, Araneida, Parasitiformes and Acaridida, for example:
  • formulation according to the invention comprising at least an insecticide can be used for the protection of non-living organic materials, including but are not limited to house-hold goods such as fats, oils, mono- oligo- or polyorganosaccharides, proteins, or fresh or decaying fruits; cellulose-containing materials e.g. wooden materials such as houses, trees, board fences, or sleepers and also paper; and also construction materials, furniture, leathers, animal, plant and synthetic fibers, vinyl articles, electric wires and cables as well as styrene foams.
  • house-hold goods such as fats, oils, mono- oligo- or polyorganosaccharides, proteins, or fresh or decaying fruits
  • cellulose-containing materials e.g. wooden materials such as houses, trees, board fences, or sleepers and also paper
  • construction materials furniture, leathers, animal, plant and synthetic fibers, vinyl articles, electric wires and cables as well as styrene foams.
  • a formulation according to the invention comprising at least an insecticide can be used for the protection of non-living organic materials against non-crop pests selected from the group consisting of the class Diplopoda and of the orders Isoptera, Diptera, Blattaria (Blattodea), Dermaptera, Hemiptera, Hymenoptera, Orthoptera, and Thysanura.
  • the present invention also relates to a method for the protection of non-living organic materials against non-crop pests as mentioned above comprising contacting the pests or their food supply, habitat, breeding grounds, their locus or the non-living organic materials themselves with a pesticidally effective amount of a formulation according to the invention.
  • a formulation according to the invention comprising at least an insecticide can be used for protecting cellulose-containing non-living organic materials, e.g. for protecting cellulose-containing non-living organic materials against non-crop pests from the Isoptera, Diptera, Blattaria (Blattodea), Hymenoptera, and Orthoptera orders, most preferably the Isoptera orders.
  • the present invention also provides a method for protecting cellulose-containing non-living organic materials against non-crop pests, preferably from the Isoptera, Diptera, Blattaria (Blattodea), Hymenoptera, and Orthoptera orders, most preferably the Isoptera orders, comprising contacting the pests or their food supply, habitat, breeding grounds, their locus or the cellulose-containing non-living organic materials themselves with a a formulation according to the invention comprising at least an insecticide.
  • a formulation according to the invention comprising at least an insecticide can be used for for protecting mono- oligo- or polysaccharides and proteins.
  • a formulation according to the invention comprising at least an insecticide can be used for protection of mono- oligo- or polysaccharides and proteins against non-crop pests selected from the Dermaptera, Diplopoda, Isoptera, Diptera, Blattaria (Blattodea), Hymenoptera, Orthoptera and Tysanura orders, most preferably the Isoptera, Diptera, Blattaria (Blattodea), and Hymenoptra orders.
  • a formulation according to the invention comprising at least an insecticide can be used for used for protection of animals against non-crop pest of the class Chilopoda, and of the orders Araneida, Hemiptera, Diptera, Phthiraptera, Siphonaptera, Parasitiformes and Acaridida by treatment of the pests in water bodies and/ or in and around buildings, including but not limited to walls, ground, manure piles, turf grass, pastures, sewers and materials used in the construction of buildings and also mattresses and bedding, with a formulation according to the present invention.
  • Animals include warm-blooded animals, including humans and fish.
  • a formulation according to the invention comprising at least an insecticide can be used for for protection of warm-blooded animals such as cattle, sheep, swine, camels, deer, horses, poultry, rabbits, goats, dogs and cats.
  • a formulation according to the invention comprising at least an insecticide can be used for protecting wooden materials such as trees, board fences, sleepers, etc. and buildings such as houses, outhouses, factories, but also construction materials, furniture, leathers, fibers, vinyl articles, electric wires and cables etc. from ants and/or termites, and for controlling ants and termites from doing harm to crops or human being (e.g. when the pests invade into houses and public facilities).
  • a formulation according to the invention comprising at least an insecticide can be are applied not only to the surrounding soil surface or into the under-floor soil in order to protect wooden materials but it can also be applied to lumbered articles such as surfaces of the under-floor concrete, alcove posts, beams, plywoods, furniture, etc., wooden articles such as particle boards, half boards, etc. and vinyl articles such as coated electric wires, vinyl sheets, heat insulating material such as styrene foams, etc.
  • the ant control formulation of the present invention is directly applied to the nest of the ants or to its surrounding or via bait contact.
  • a formulation according to the invention comprising at least an insecticide can be applied preventively to places at which occurrence of the pests is expected.
  • the formulation may optionally comprise also pigments.
  • Suitable pigments or dyes for seed treatment formulations are pigment blue 15:4, pigment blue 15:3, pigment blue 15:2, pigment blue 15:1, pigment blue 80, pigment yellow 1, pigment yellow 13, pigment red 112, pigment red 48:2, pigment red 48:1, pigment red 57:1, pigment red 53:1, pigment orange 43, pigment orange 34, pigment orange 5, pigment green 36, pigment green 7, pigment white 6, pigment brown 25, basic violet 10, basic violet 49, acid red 51, acid red 52, acid red 14, acid blue 9, acid yellow 23, basic red 10, basic red 108.
  • the invention furthermore comprises seeds treated with the formulation according to the present invention.
  • Suitable seeds are for example various crop seeds, fruit species, vegetables, spices and ornamental seed, for example corn/maize (sweet and field), durum wheat, soybean, wheat, barley, oats, rye, triticale, bananas, rice, cotton, sunflower, potatoes, pasture, alfalfa, grasses, turf, sorghum, rapeseed, Brassica spp., sugar beet, eggplants, tomato, lettuce, iceberg lettuce, pepper, cucumber, squash, melon, bean, dry-beans, peas, leek, garlic, onion, cabbage, carrot, tuber such as sugar cane, tobacco, coffee, turf and forage, cruciferous, cucurbits, grapevines, pepper, fodder beet, oil seed rape, pansy, impatiens, petunia and geranium.
  • corn/maize sweet and field
  • durum wheat soybean, wheat, barley, oats, rye, triticale
  • bananas rice
  • the active ingredient and optionally further additives are stirred in the solvent mixture SM at room temperature until complete dissolution.
  • the thus obtained solution is mixed with surfactant S until a homogenous mixture is obtained.
  • the active ingredient and optionally further additives are stirred in a mixture of the solvent mixture SM and the surfactant S at room temperature until complete dissolution.
  • compositions outlined in table 1 were prepared by the general procedure A. In table 1 the amounts of the ingredients are given in % by weight.
  • compositions of table 1 Upon dilution with water (100 parts per 1 part of composition) the compositions of table 1 form bluish clear compositions, wherein the active ingredient particles have an average diameter below 100 nm (as determined by quasi elastic light scattering).
  • the diluted composition remains stable for at least 24 h.
  • a diluted composition is estimated to be stable period of time if the particle size remains below 100 nm within said time period.
  • the potential of the formulation to cause eye irritation was determined according to the method described by N.P. Luepke: Hen's Egg Chorio Allantoic Membrane Test for Irritation Potential, Fd. Chem. Toxic. 23 (1985), pp 287-291 , (HET-CAM Test) which was modified according to the method of H. Spielmann ( H. Spielmann: Methods in Molecular Biology 43 (1995) pp. 199-204 , and H. Spielmann et al. ATLA 24 (1996), pp. 741-858 .
  • the chorio allantoic membrane is treated with an aqueous dilution of the test formulation at different concentrations. The chorio allantoic membrane is then observed for 5 minutes with regard to haemorrhage, coagulation and vascular lysis. Depending on the maximum concentration at wich no symptoms are observed, the time of occurrence and the gravity of the symptoms the test substance is categorized as follows:

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Claims (15)

  1. Formulation de concentré liquide diluable dans l'eau d'un composé pesticide organique C ayant une solubilité dans l'eau non supérieure à 5 g/l à 25°C/1013 mbars, comprenant
    a) au moins un composé pesticide organique C ayant une solubilité dans l'eau non supérieure à 5 g/l à 25°C/1013 mbars,
    b) un mélange de solvants SM, comprenant
    i) au moins un C2-C4-alkylène glycol, et
    ii) au moins un carbonate de C2-C4-alkylène,
    où les composants i) et ii) constituent au moins 90% du mélange de solvants,
    ou un mélange de celui-ci avec de l'eau, à condition que le rapport pondéral de l'eau au mélange de solvants SM n'excède pas 1:2,
    c) au moins un agent tensioactif S, qui comprend au moins un copolymère bloc non ionique P, comprenant au moins un motif d'oxyde de polyéthylène PEO et au moins un motif de polyéther PAO constitué de motifs répétitifs dérivés d'oxydes de C3-C10-alkylène et/ou d'oxyde de styrène ;
    dans laquelle les composants a), b) et c) constituent au moins 90% de la formulation.
  2. Formulation selon la revendication 1, dans laquelle le C2-C4-alkylène glycol est le propanediol et le carbonate de C2-C4-alkylène est le carbonate de propylène.
  3. Formulation selon la revendication 1, dans laquelle le rapport pondéral du C2-C4-alkylène glycol au carbonate de C2-C4-alkylène va de 10:1 à 1:10.
  4. Formulation selon la revendication 1, dans laquelle le copolymère bloc non ionique constitue au moins 90% en poids, sur la base de la quantité totale d'agent tensioactif.
  5. Formulation selon la revendication 1, dans laquelle le copolymère bloc non ionique P possède un poids moléculaire moyen en nombre Mn allant de 1000 à 100 000 Daltons.
  6. Formulation selon l'une quelconque des revendications 1 à 5, dans laquelle le rapport pondéral des motifs de PEO aux motifs de PAO dans le copolymère bloc non ionique va de 1:10 à 10:1.
  7. Formulation selon l'une quelconque des revendications 1 à 6, contenant le au moins un composé pesticide organique C selon une quantité allant de 5 à 50% en poids, sur la base du poids total de la composition.
  8. Formulation selon l'une quelconque des revendications 1 à 7, contenant l'agent tensioactif non ionique S selon une quantité allant de 10 à 80% en poids, sur la base du poids total de la composition.
  9. Formulation selon l'une quelconque des revendications 1 à 8, contenant le mélange de solvants organiques SM selon une quantité allant de 10 à 85% en poids, sur la base du poids total de la composition.
  10. Formulation selon l'une quelconque des revendications 1 à 9, dans laquelle le rapport pondéral de l'agent tensioactif S au composé pesticide organique C va de 0,6:1 à 10:1.
  11. Formulation selon l'une quelconque des revendications 1 à 10, dans laquelle le composé pesticide C comprend au moins un composé insecticide.
  12. Formulation selon la revendication 11, dans laquelle le composé insecticide C est choisi parmi les composés de formule I
    Figure imgb0014
     dans laquelle
    W est halogène ou C1-C2-halogénoalkyle ;
    X et Y sont chacun indépendamment halogène ;
    R21 est C1-C6-alkyle, C2-C6-alcényle, C2-C6-alcynyle, C1-C4-alcoxy-C1-C4-alkyle ou C3-C6-cycloalkyle, chacun d'entre eux pouvant être substitué par 1, 2, 3, 4 ou 5 atomes d'halogène ;
    R22 et R23 sont C1-C6-alkyle ou peuvent former, conjointement avec l'atome de carbone auquel ils sont liés, C3-C6-cycloalkyle pouvant être non substitué ou substitué par de 1 à 3 atomes d'halogène ;
    R24 est hydrogène ou C1-C6-alkyle ;
    y compris les énantiomères et les sels de ceux-ci.
  13. Formulation selon la revendication 11, dans laquelle le composé insecticide C est choisi parmi les composés de formule II
    Figure imgb0015
     dans laquelle R11 et R12 sont chacun indépendamment hydrogène, halogène, CN, C1-C4-alkyle, C1-C4-alcoxy, C1-C4-halogénoalkyle ou C1-C4-halogénoalcoxy et R13 est C1-C4-alcoxy, C1-C4-halogénoalkyle ou C1-C4-halogénoalcoxy.
  14. Utilisation d'une formulation selon l'une quelconque des revendications 1 à 13, pour la protection végétale.
  15. Méthode de lutte contre des organismes qui sont nuisibles vis-à-vis de plantes, comprenant la mise en contact desdits organismes nuisibles, de leur habitat, de leurs lieux de reproduction, de leurs disponibilités alimentaires, des plantes, des semences, du sol, des zones, des matériaux ou de l'environnement dans lesquels les organismes nuisibles se développent ou peuvent se développer, ou les matériaux, les plantes, les semences, les sols, les surfaces ou les espaces à protéger contre une attaque ou une infestation par des organismes nuisibles, avec une quantité efficace d'une préparation aqueuse qui est obtenue par la dilution d'une formulation selon l'une quelconque des revendications 1 à 13 avec de l'eau.
EP07700250.9A 2006-01-05 2007-01-04 Melange de solvants pour la preparation d'une formulation de concentre liquide diluable dans l'eau de composes pesticides organiques Not-in-force EP1973401B1 (fr)

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BRPI0706346A2 (pt) 2011-03-22
UY30086A1 (es) 2007-08-31
AR058921A1 (es) 2008-03-05
PE20071050A1 (es) 2007-11-08
US20080300313A1 (en) 2008-12-04
WO2007077246A3 (fr) 2007-11-01
JP4956552B2 (ja) 2012-06-20
IL192254A0 (en) 2009-02-11
TW200733877A (en) 2007-09-16
ZA200806709B (en) 2009-10-28
EP1973401A2 (fr) 2008-10-01
JP2009522332A (ja) 2009-06-11
WO2007077246A2 (fr) 2007-07-12

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